diff --git a/midipix/macros b/midipix/macros
index e23fa02..d5a1728 100644
--- a/midipix/macros
+++ b/midipix/macros
@@ -65,6 +65,16 @@
 #	RPM package build settings
 #
 
+# Ensure SOURCE_DATE_EPOCH is set based on changelog for reproducible builds
+%source_date_epoch_from_changelog	1
+
+# Automatically trim changelog entries after 2 years
+%_changelog_trimtime	%{lua:print(os.time() - 2 * 365 * 86400)}
+
+# Use SHA-256 for FILEDIGESTS instead of default MD5
+%_source_filedigest_algorithm	8
+%_binary_filedigest_algorithm	8
+
 # We want to use zstd payloads by default
 %_source_payload	w9.zstdio
 %_binary_payload	w9.zstdio